Top 10 Java Programming Exam Questions and Answers

Instant Access to Top Java Programming Exam Questions and Answers

Java programming can be a tough subject to manage even for experts. When you are due to take an exam in Java programming, it is best that you take precautionary online exam preparation. You can get free resources online and take advantage of Java programming exam questions. This will highlight areas that you are weak and make sure that you pay attention to topics that prove to be difficult. Self-evaluation of your expertise is crucial which is why Java programming exam questions and answers are helpful. Orient your level of knowledge with these sample Java programming exam questions and answers:

public void test(int x)

{

int odd = 1;

if(odd) /* Line 4 */

{

System.out.println(“odd”);

}

else

{

System.out.println(“even”);

}

}

Which statement is true?

Compilation fails. (Answer)

“odd” will always be output.

“even” will always be output.

“odd” will be output for odd values of x, and “even” for even values.

Which is true about an anonymous inner class?

It can extend exactly one class and implement exactly one interface.

It can extend exactly one class and can implement multiple interfaces.

It can extend exactly one class or implement exactly one interface. (Answer)

It can implement multiple interfaces regardless of whether it also extends a class.

Which statement is true about a static nested class?

You must have a reference to an instance of the enclosing class in order to instantiate it.

It does not have access to nonstatic members of the enclosing class. (Answer)

Its variables and methods must be static.

It must extend the enclosing class.

Which constructs an anonymous inner class instance?

Runnable r = new Runnable() { };

Runnable r = new Runnable(public void run() { });

Runnable r = new Runnable { public void run(){}};

System.out.println(new Runnable() {public void run() { }}); (Answer)

You want subclasses in any package to have access to members of a superclass. Which is the most restrictive access that accomplishes this objective?

public

private

protected (Answer)

transient

Which three form part of correct array declarations?

public int a [ ]

static int [ ] a

public [ ] int a

private int a [3]

private int [3] a [ ]

public final int [ ] a

1, 3, 4

2, 4, 5

1, 2, 6 (Answer)

2, 5, 6

public class Test { }

What is the prototype of the default constructor?

Test( )

Test(void)

public Test( ) (Answer)

public Test(void)

Which two cause a compiler error?

float[ ] f = new float(3);

float f2[ ] = new float[ ];

float[ ]f1 = new float[3];

float f3[ ] = new float[3];

float f5[ ] = {1.0f, 2.0f, 2.0f};

2, 4

3, 5

4, 5

1, 2 (Answer)

Given a method in a protected class, what access modifier do you use to restrict access to that method to only the other members of the same class?

final

static

private (Answer)

protected

Which is a valid declaration within an interface?

public static short stop = 23; (Answer)

protected short stop = 23;

transient short stop = 23;

final void madness(short stop);

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Turn off all possible distractions and study.

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Cramming never works so instead, study in chunks.

Get free pre test sample online. You can utilize Java programing exam questions as helpful resource that will get you through your test.

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